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Thread: LIGHTNING MTS 225 120v amp draw

  1. Default LIGHTNING MTS 225 120v amp draw

    Looking at the LIGHTNING MTS 225 for mobile work and am looking for feed back using it for tig on a 120v circuit. The spec state it pulls 16A on 120v, but would like real world feedback of how it does on a 20 amp circuit. I don't want to be tripping breakers constantly.

  2. Default

    My 210EXT has a similar inrush amp rating as the MTS 225.

    I used to use the 210EXT exclusively on a 240V-30amp breaker, and it did fine, even though it would occasionally throw the breaker on startup, due to the inrush rating at 31 amps.

    But then I moved, and the unattached garaged I have at an apartment has a single 120V-20amp breaker where I weld at.

    So, for the past 4 years I've been using the 210EXT dual-voltage capacity with no problem to speak of on the 20 amp breaker, up to 120-125 amps for TIG on AC and DC. Although I've popped the breaker a few times when exceeding the duty-cycle by welding at around 125 amps for about 9-out-of 10 minutes. So, I set for no more than 120 amps for applications that I think will take all of that much heat.

    I usually unplug the remote garage door opener when using the welder on that sole circuit, too.
    Last edited by christian; 11-29-2022 at 12:58 AM.
    Everlast 210 EXT (2015)

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  3. Default

    Quote Originally Posted by christian View Post
    My 210EXT has a similar inrush amp rating as the MTS 225.

    I used to use the 210EXT exclusively on a 240V-30amp breaker, and it did fine, even though it would occasionally throw the breaker on startup, due to the inrush rating at 31 amps.

    But then I moved, and the unattached garaged I have at an apartment has a single 120V-20amp breaker where I weld at.

    So, for the past 4 years I've been using the 210EXT dual-voltage capacity with no problem to speak of on the 20 amp breaker, up to 120-125 amps for TIG on AC and DC. Although I've popped the breaker a few times when exceeding the duty-cycle by welding at around 125 amps for about 9-out-of 10 minutes. So, I set for no more than 120 amps for applications that I think will take all of that much heat.

    I usually unplug the remote garage door opener when using the welder on that sole circuit, too.


    Thank you for the reply, just what I was looking for.

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